Bluetooth Headphones, BestGot S1 Wireless Headphones Over Ear, 50mm Stereo Driver Foldable Headset for 20 Hours, Soft Memory-Protein Earmuffs, Built-in Mic for PC/Phone/Tablets/TV (Black/Blue) Hear the World, Heard Yourself : Finely tuned 50mm driver units and CSR chip give your music the rich sound it deserves. BestGot S1 offers you bettter overall listening experience.( PLEASE NOTE: This item is passive noise isolating, NOT active noise cancellation(ANC), it can't cancel the noise completely but it won't drain the battery and damage the sound.) This item provides fast and reliable connection to Bluetooth devices such as cell phones, tablets, PCs, TVs and more within 33 feet. Soft and Comfortable Portable Design: Weighs 8.1oz (230g), Made of Lightweight yet solid materials, improved structure. Soft ear pads are wrapped in protein leather that simulates the texture of human skin and is soft and comfortable when worn. Stainless steel wire slider retractable design allows you to find the most comfortable position to wear ear but also increased its durability. It closed design allows you to better immersed in your own world. Wireless and Wired Your Music is Always On The Road: High-quality Built-in Microphone and volume control make it easier to pick up any incoming calls and enjoy voice chat or call communication when you are listening music. Wireless mode gives you up to 20 hours of play time. The Wired mode can be used as a wired headphone with the provided 3.5mm cable, which makes your headset never be powered off. Built-in Mic and Hands-Free Calling: BestGot S1 Bluetooth headphones Bluetooth pairing aided by voice prompts, promises quick and stable connection with your Bluetooth enabled devices, powerful Bluetooth function. The built-in microphone can only be used in wireless mode. Siri smart voice dialing calls make your life and work more convenient. High-quality sound can make your call more clear and smooth. Built To Foldable & Portable: The foldable headset easy to carry and save more space. Depending on your head/ear size/shape, it may be a little tight for someone to wear which is designed to avoid sound leakage. Warm heart Tip: In order to make wearing more comfortable and provide better sound quality, please take off the headphones every 1-2 hours, let the ears to breathe and relax properly. BestGot S1 wireless headphones 3.5mm Audio cable Micro-USB charging cable User manual Cloth bag Product type: Bluetooth Headset Connection: Bluetooth &amp; AUX Range: 33 feet (10 meters) Battery capacity: 470mAh Normal charging time: About 3 - 4 hours Playback time: Around 20 hours Talk time: Around 20 hours Standby time: Around 400 hours Speaker Diameter: 50mm Speaker Impedance: 64